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题名: In-situ synthesis of SAPO-34 molecular sieves on monolithic cordierite substrates
作者: Wang, AQ;  Liang, DB;  Tang, JW;  Xu, CH;  Sun, XY;  Zhang, T
关键词: cordierite ;  in-situ synthesis ;  monolithic catalysts ;  zeolite layer ;  SAPO-34 ;  SAPO-5
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2000-12-01
卷: 21, 期:12, 页:1801-1804
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: SAPO-34 molecular sieves have been successfully synthesized onto the cordierite substrates by hydrothermal technique, and characterized by XRD and SEM methods, The results show that SAPO-34 layers with the thickness about 30 mum are evenly distributed onto the inner walls of the cordierite substrate, which results in a weight increase of 15%-25% of the substrate. The molar ratio of Et3N/Al2O3 had an important effect on the nature of the molecular sieve product crystallized on the substrate. When n(Et3N)/n(Al2O3)=4. 0, pure SAPO-34 was crystallized on the cordierite substrate; whereas when n(Et3N)/n(Al2O3)=2, 5, a mixture product of SAPO-34 and SAPO-5 was formed on the substrate, In order to explore the mechanism of SAPO-34 formation on the cordierite substrate, the changes of the crystallization process on the substrate as well as in the solution has also been investigated.
关键词[WOS]: CATALYST ;  MEMBRANE
语种: 英语
WOS记录号: WOS:000167004800003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138794
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Wang, AQ,Liang, DB,Tang, JW,et al. In-situ synthesis of SAPO-34 molecular sieves on monolithic cordierite substrates[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2000,21(12):1801-1804.
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